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Alkalinity: Why is it important?

Updated: May 6



alkalinity increaser
EZ Chlor Alkalinity Up

Most test strips check for alkalinity readings - but what is alkalinity? Why is it important?


Simply put, alkalinity keeps your pH reading steady in your pool. Without alkalinity, you'll spend a bloody fortune on pH Up and pH Down. Having a good alkalinity reading will keep that pH in the right range so all your chemicals work right.


Alkalinity is measured in ppm (parts per million)


A good range for your pool is 80 ppm to 120 ppm. If your reading is too low, your pH will get out of whack. If it is too high, then it's very difficult to adjust your pH if the pH is already out of whack.


If you need to add alkalinity to your pool it's very simple. The formula is 1lb of alkalinity increaser brings your reading up 10 ppm per 10,000 gallons. So if your pool's alkalinity reading is 50, and you want to bring it up to 100, you need to add 5lbs of alkalinity increaser in a 10,000 gallon pool. If your pool is 20,000 gallons, you would need 10lbs.


If your alkalinity is too high, use muriatic acid to bring it down. Check our muriatic acid chart to see the dosages. Don't underestimate the importance of alkalinity. This chemical is a big money saver to a pool owner by keeping your pH steady and allowing r chemicals to do their job!















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